<!DOCTYPE html>
<html lang="en" ng-app="">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../angular.min.js"></script>
</head>
<body ng-init="a='width:200px;height:100px;background-color:black';
b={height:'200px',width:'200px',background:'red'}">
<div style="{{a}}"></div>
<div ng-style="b"></div>
</body>
<script>

</script>
</html>